Generate sha1sums for the isos

A little script that will generate the needed sha1sums for the iso files

#!/bin/bash
cd /home/$user/downloads
for i in *.iso.bz2; do
  if [[ ! -f $i.sha1sum || $(stat -c "%Y" $i) -gt $(stat -c "%Y" $i.sha1sum) ]]; then
    sha1sum $i > $i.sha1sum
  fi
done        

You can run this from cron

0 * * * *  /home/$user/gensha1.bash